Tags: Weapon.
The Remington Model 878 also known as the Automaster is a semi-automatic shotgun manufactured by Remington Arms in the mid 20th century. It is a gas operated shotgun and was marketed alongside the related Model 58 and the recoil operated Model 11-48. The 58 was manufactured in 12 gauge only from 1959 to 1963 until it was replaced by the Model 1100.